Home / 5,981.09-8,255.76-4,091.95

Finding the Fourth Proportional to 5,981.09, 8,255.76 and 4,091.95

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Solution

The fourth proportional to 5,981.09, 8,255.76 and 4,091.95 is: 5,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.09 : 8,255.76 = 4,091.95 : x
  2. Step 2: Convert to fraction form
    5,981.09/8,255.76 = 4,091.95/x
  3. Step 3: Cross multiply
    5,981.09x = 8,255.76 × 4,091.95
  4. Step 4: Simplify right side
    5,981.09x = 33,782,152.11
  5. Step 5: Solve for x
    x = 33,782,152.11/5,981.09
  6. Step 6: Final answer
    x = 5,648.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.